Sennheiser MM450 Wireless Headphones vs Panasonic WX-CH427 Wired Headset

  • Sennheiser MM450 Wireless Headphones were first released on 11th June 2013. This version of Sennheiser headphones has bluetooth support 2.1, SBC,aptX. Its battery life is 20hrs, helping you comfortably use it throughout a long active day.
  • Panasonic WX-CH427 Wired Headset were first released on 28th November 2013.
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Headphone Type
Connectivity
Microphone
Yes
Yes
Colour
Black
Black
Release date
11th June 2013
28th November 2013
Model Number
MM450
WX-CH427
Cord Length (Metres)
-
1.1
Bluetooth
Yes
No
Bluetooth Version
2.1
-
Bluetooth Codec Support
SBC,aptX
-
Battery Life (Hrs)
20
-
Charging Time (Hrs)
3
-
Impedance (Ohms)
-
32
Sensitivity (dB)
107
120
Frequency Response Range
15Hz-22,000Hz
150Hz-6,000Hz